'use strict';

const util = require("util");
const fs = require("fs");
const createBetterPegTracer = require("better-peg-tracer");
const pegjsBacktrace = require("pegjs-backtrace");
const pegjsPermutationTracer = require("pegjs-permutation-tracer");

const parse = require("./");
const stringify = require("./lib/stringify");

function fullInspect(obj) {
	return util.inspect(obj, {colors: true, depth: null, customInspect: false})
}

let trace, file;

if (process.argv[2] === "--trace") {
	trace = true;
	file = process.argv[3];
} else {
	trace = false;
	file = process.argv[2];
}

let contents = fs.readFileSync(file).toString();
let tracer = pegjsPermutationTracer(contents);

try {
	let tree = parse(contents, {
		tracer: trace ? createBetterPegTracer(contents) : undefined
		// tracer: trace ? tracer : undefined
	});

	console.log(fullInspect(tree));

	console.log("----");
	console.log(stringify(tree));
} catch (err) {
	console.log(fullInspect(err))
	tracer.printPermutations(194);
}